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INVESTMENT SECURITIES (Summary of Amortized Cost and Fair Values of Securities Held to Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Held to Maturity Securities, Amortized Cost
Due within 1 year
Due after 1 but within 5 years	2,000
Due after 5 but within 10 years	3,000
Due after 10 years	960
Total debt securities	5,960
Mortgage Backed Securities, Residential	45,058
Mortgage Backed Securities, Commercial	1,017
Amortized cost	52,035	$ 52,934
Held to Maturity Securities, Fair Value
Due within 1 year
Due after 1 but within 5 years	1,995
Due after 5 but within 10 years	2,817
Due after 10 years	929
Total debt securities	5,741
Mortgage Backed Securities, Residential	44,987
Mortgage Backed Securities, Commercial	1,017
Fair value	$ 51,745	$ 53,849

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Fair value of mortgage-backed commercial debt securities categorized as held-to-maturity.

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Fair value of mortgage-backed residential debt securities categorized as held-to-maturity.

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Carrying amount of mortgage-backed residential debt securities accounted for as held-to-maturity, net of adjustments including, but not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized, and fair value hedge accounting adjustments.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Fair value of held-to-maturity debt securities maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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